diff --git a/libraries/chain/include/graphene/chain/market_object.hpp b/libraries/chain/include/graphene/chain/market_object.hpp
index 27a31fe7..434e9e35 100644
--- a/libraries/chain/include/graphene/chain/market_object.hpp
+++ b/libraries/chain/include/graphene/chain/market_object.hpp
@@ -275,4 +275,4 @@ FC_REFLECT_DERIVED( graphene::chain::collateral_bid_object, (graphene::db::objec
 GRAPHENE_EXTERNAL_SERIALIZATION( extern, graphene::chain::limit_order_object )
 GRAPHENE_EXTERNAL_SERIALIZATION( extern, graphene::chain::call_order_object )
 GRAPHENE_EXTERNAL_SERIALIZATION( extern, graphene::chain::force_settlement_object )
-GRAPHENE_DECLARE_EXTERNAL_SERIALIZATION( graphene::chain::collateral_bid_object )
\ No newline at end of file
+GRAPHENE_EXTERNAL_SERIALIZATION( extern, graphene::chain::collateral_bid_object )
diff --git a/libraries/chain/include/graphene/chain/protocol/market.hpp b/libraries/chain/include/graphene/chain/protocol/market.hpp
index 50a8873b..d18d05fb 100644
--- a/libraries/chain/include/graphene/chain/protocol/market.hpp
+++ b/libraries/chain/include/graphene/chain/protocol/market.hpp
@@ -226,7 +226,6 @@ FC_REFLECT( graphene::chain::limit_order_cancel_operation::fee_parameters_type,
 FC_REFLECT( graphene::chain::call_order_update_operation::fee_parameters_type, (fee) )
 FC_REFLECT( graphene::chain::bid_collateral_operation::fee_parameters_type, (fee) )
 /// THIS IS THE ONLY VIRTUAL OPERATION THUS FAR... 
-FC_REFLECT( graphene::chain::fill_order_operation::fee_parameters_type,  )
 FC_REFLECT( graphene::chain::fill_order_operation::fee_parameters_type,  ) // VIRTUAL
 FC_REFLECT( graphene::chain::execute_bid_operation::fee_parameters_type,  ) // VIRTUAL
 FC_REFLECT( graphene::chain::limit_order_create_operation,(fee)(seller)(amount_to_sell)(min_to_receive)(expiration)(fill_or_kill)(extensions))